Dispersion relation and growth rate in electromagnetically pumped free-electron lasers with ion-channel guiding

@article{citeulike:3065427, abstract = {A theory of electromagnetic-wave wiggler with ion-channel guiding is presented. Steady-state electron trajectories are obtained by solving the equations of motion for a single electron in a free-electron laser with electromagnetic-wave wiggler and ion-channel guiding field. The eighth-degree polynomial dispersion equation for electromagnetic and space charge waves in this configuration is derived. The characteristics of dispersion relation are analyzed in detail by numerical solutions. It is found that the growth rate for group I and II orbits has been affected by the presence of the ion-channel guiding and the growth rate for group II orbits is more affected.}, author = {Mehdian, H. and Hasanbeigi, A. and Jafari, S. }, citeulike-article-id = {3065427}, doi = {http://dx.doi.org/10.1063/1.2947278}, journal = {Physics of Plasmas}, keywords = {analytic, channel, dispersion, fel, free-electron-laser, growth, guiding, ion, model, pumping, rate, relation}, number = {7}, posted-at = {2008-07-31 13:20:01}, priority = {2}, publisher = {AIP}, title = {Dispersion relation and growth rate in electromagnetically pumped free-electron lasers with ion-channel guiding}, url = {http://dx.doi.org/10.1063/1.2947278}, volume = {15}, year = {2008} }

TY - JOUR ID - citeulike:3065427 L3 - citeulike-article-id:3065427 N2 - A theory of electromagnetic-wave wiggler with ion-channel guiding is presented. Steady-state electron trajectories are obtained by solving the equations of motion for a single electron in a free-electron laser with electromagnetic-wave wiggler and ion-channel guiding field. The eighth-degree polynomial dispersion equation for electromagnetic and space charge waves in this configuration is derived. The characteristics of dispersion relation are analyzed in detail by numerical solutions. It is found that the growth rate for group I and II orbits has been affected by the presence of the ion-channel guiding and the growth rate for group II orbits is more affected. IS - 7 JF - Physics of Plasmas TI - Dispersion relation and growth rate in electromagnetically pumped free-electron lasers with ion-channel guiding PB - AIP VL - 15 KW - analytic KW - channel KW - dispersion KW - fel KW - free-electron-laser KW - growth KW - guiding KW - ion KW - model KW - pumping KW - rate KW - relation AU - Mehdian, H AU - Hasanbeigi, A AU - Jafari, S PY - 2008/// UR - http://dx.doi.org/10.1063/1.2947278 ER -